<template>
  <view class="my-settle-container">
    <!-- 全选区域 -->
    <label class="radio" @click="changeAllState">
      <radio color="#C00000" :checked="isFullChecked" /><text>全选</text>
    </label>
    <!-- 合计区域 -->
    <view class="amount-box">
      合计:<text class="amount">￥{{checkedGoodsAmount}}</text>
    </view>
    <!-- 结算按钮 -->
    <view class="btn-settle" @click="settlement">结算({{checkedCount}})</view>
  </view>
</template>

<script>
  import {
    mapGetters,
    mapMutations,
    mapState,
  } from "vuex";

  export default {
    name: "my-settle",
    computed: {
      ...mapGetters('m_cart', ['checkedCount', 'total', 'checkedGoodsAmount']),
      ...mapGetters('m_user', ['addStr']),
      ...mapState('m_user', ['token']),
      ...mapState('m_cart', ['cart']),
      isFullChecked() {
        return this.total === this.checkedCount
      }
    },
    data() {
      return {
        seconds: 3,
        timer: null,
      };
    },
    methods: {
      ...mapMutations('m_cart', ['updateAllGoodsState']),
      ...mapMutations('m_user', ['updateRedirectInfo']),
      // 展示跳转信息
      showTips(n) {
        uni.showToast({
          icon: 'none',
          // 为屏幕添加透明薄罩，防止点击穿透
          mask: true,
          title: '请登录后再结算！' + n + ' 秒后自动跳转到登录页',
          duration: 1500,
        })
      },
      // 定义延时跳转的方法
      delayNavigate() {
        this.seconds = 3
        this.showTips(this.seconds)

        this.timer = setInterval(() => {
          this.seconds--
          if (this.seconds <= 0) {
            clearInterval(this.timer)
            uni.switchTab({
              url: '/pages/my/my',
              success: () => {
                this.updateRedirectInfo({
                  openType: 'switchTab',
                  from: '/pages/cart/cart'
                })
              }
            })
            return
          }
          this.showTips(this.seconds)
        }, 1000)
      },
      changeAllState() {
        this.updateAllGoodsState(!this.isFullChecked)
      },
      // 定义支付订单的方法
      async payOrder() {
        // 1. 创建订单
        // 1.1 组织订单的信息对象
        const orderInfo = {
          // 开发中注释掉真实的支付价格
          // order_price:$attrsthis.checkedGoodsAmount
          order_price: 0.01,
          consignee_addr: this.addStr,
          goods: this.cart.filter(x => x.goods_state).map(x => ({
            goods_id: x.goods_id,
            goods_number: x.goods_number,
            goods_price: x.goods_price
          }))
        }
        // 1.2 发起请求
        const {
          data: res
        } = await uni.$http.post('/api/public/v1/my/orders/create', orderInfo)
        if (res.meta.status !== 200) uni.$showMsg('创建订单失败！')
        // 1.3 获取订单编号
        // const orderNumber = res.message.order_number
        const orderNumber = 'GD20180507000000000110'

        // 2. 订单预支付
        // 2.1 发起请求
        const {
          data: res2
        } = await uni.$http.post('/api/public/v1/my/orders/req_unifiedorder', {
          order_number: orderNumber
        })
        // 2.2 失败的处理
        if (res2.meta.status !== 200) uni.$showMsg('预付订单生成失败！')
        // 2.3 得到订单支付所需要的参数对象
        // const payInfo = res2.message.pay;
        const payInfo = {
          "timeStamp": "1525681145",
          "nonceStr": "BkPggorBXZwPGXe3",
          "package": "prepay_id=wx071619042918087bb4c1d3d72999385683",
          "signType": "MD5",
          "paySign": "D1642DEEF1663C8012EDEB9297E1D516"
        };

        // 3. 发起微信支付
        // 3.1 调用 uni.requestPayment() 发起微信支付
        const [err, succ] = await uni.requestPayment(payInfo)
        // 3.2 未完成支付
        if (err) uni.$showMsg('订单未支付！')
        // 3.3 完成了支付，进一步查询支付的结果
        const {
          data: res3
        } = await uni.$http.post('/api/public/v1/my/orders/chkOrder', {
          order_number: orderNumber
        })
        // 3.4 检测到订单未支付
        if (res3.meta.status !== 200) uni.$showMsg('订单未支付!')
        // 3.5 检测到订单支付完成
        uni.$showMsg('支付成功！')
      },
      settlement() {
        if (!this.checkedCount) return uni.$showMsg('请选择要结算的商品！');
        if (!this.addStr) return uni.$showMsg('请选择收货地址！');
        // if (!this.token) return uni.$showMsg('请先登录！')
        if (!this.token) return this.delayNavigate();
        // 支付
        this.payOrder();
      }
    }
  }
</script>

<style lang="scss">
  .my-settle-container {
    position: fixed;
    bottom: 0;
    left: 0;
    height: 50px;
    width: 100%;
    background-color: #FFFFFF;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-left: 5px;
    font-size: 14px;

    .radio {
      display: flex;
      align-items: center;
    }

    .amount-box {

      .amount {
        color: #C00000;
      }
    }

    .btn-settle {
      height: 50px;
      min-width: 100px;
      line-height: 50px;
      background-color: #C00000;
      color: #FFFFFF;
      text-align: center;
      padding: 0 10px;
    }
  }
</style>
